linux-kernel - Re: PS3 Storage Driver O

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Message-ID: <Pine.LNX.4.62.0707131532350.18802@pademelon.sonytel.be>
Date:	Fri, 13 Jul 2007 15:34:18 +0200 (CEST)
From:	Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
To:	Olaf Hering <olaf@...fle.de>
cc:	Paul Mackerras <paulus@...ba.org>, Jens Axboe <axboe@...nel.dk>,
	"James E.J. Bottomley" <James.Bottomley@...elEye.com>,
	Alessandro Rubini <rubini@...vis.unipv.it>,
	linuxppc-dev@...abs.org, linux-kernel@...r.kernel.org,
	linux-scsi@...r.kernel.org
Subject: Re: PS3 Storage Driver O_DIRECT issue

On Fri, 13 Jul 2007, Olaf Hering wrote:
> This driver (or the generic PS3 code) has appearently problems with
> O_DIRECT. 
> glibc aborts parted because the malloc metadata get corrupted. While it
> is reproducible, the place where it crashes changes with every version
> of the debug attempt.
> I dont have a handle right now, all I know is that the metadata after a
> malloc area get overwritten with zeros.
> 
> 
> Can you have a look at this? 
> parted /dev/ps3da
> print (a few times)

I can't seem to reproduce this with parted 1.7.1-5.1 (from Debian
etch/lenny/sid) and kernel 2.6.22-g77320894.

With kind regards,
 
Geert Uytterhoeven
Software Architect

Sony Network and Software Technology Center Europe
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